package cn.lcsjsxy.yxc.servlet;

import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.WebServlet;
import jakarta.servlet.http.Cookie;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;

import java.io.IOException;

@WebServlet(value = "/servletB")
public class ServletB extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //获取请求中携带的cookie
        Cookie[] cookies=req.getCookies();


        //请求中的多个cookie会进入该数组u，请求中如果没有cookie，cookies数组是null，还是长度为0
        for(Cookie cookie:cookies){
            System.out.println(cookie.getName()+":"+cookie.getValue());
        }
    }
}
